On Thu, Apr 22, 2010 at 2:11 AM, Andrei Matei <[email protected]>wrote:

> Thanks for the link! Everything is clear now, the kernel will autogrow a
> mapping with the MAP_GROWSDOWN as long as the stack pointer is around the
> location the program has just accessed. So there is no magic specific to
> regions used as pthread stacks. If I manually set %rsp to my mmaped region
> and access bytes downward, it will extend just fine.
>

Yes, it will ..
may we know the reason why you want to do this?

~cnanda

> Thanks!
>
> - a_m
>

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